use std::io::stdin;

fn main() {
    let n = read_int();
    let mut p = vec![0; n];
    p[0] = n * (n + 1) / 2 - interact(2, n);
    for i in 1..=n - 2 {
        p[i] = interact(i, i + 1) - p[i - 1];
    }
    p[n - 1] = n * (n + 1) / 2 - p.iter().sum::<usize>();
    println!(
        "! {}",
        p.iter()
            .map(|&x| x.to_string())
            .collect::<Vec<_>>()
            .join(" ")
    );
}

fn interact(l: usize, r: usize) -> usize {
    println!("? {} {}", l, r);
    read_int()
}

fn read_int() -> usize {
    let mut buf = String::new();
    stdin().read_line(&mut buf).expect("input error!");
    buf.trim().parse().unwrap()
}